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-rw-r--r--libs/gtkmm2ext/visibility_tracker.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/libs/gtkmm2ext/visibility_tracker.cc b/libs/gtkmm2ext/visibility_tracker.cc
index d2e6536bed..0b5b2c3e8e 100644
--- a/libs/gtkmm2ext/visibility_tracker.cc
+++ b/libs/gtkmm2ext/visibility_tracker.cc
@@ -26,7 +26,11 @@ bool VisibilityTracker::_use_window_manager_visibility = true;
VisibilityTracker::VisibilityTracker (Gtk::Window& win)
: _window (win)
+#if (defined PLATFORM_WINDOWS || defined __APPLE__)
+ , _visibility (GdkVisibilityState (0))
+#else
, _visibility (GDK_VISIBILITY_FULLY_OBSCURED)
+#endif
{
_window.add_events (Gdk::VISIBILITY_NOTIFY_MASK);
_window.signal_visibility_notify_event().connect (sigc::mem_fun (*this, &VisibilityTracker::handle_visibility_notify_event));